
Oh, dude, the FOURTH Harry Pottermovie
was just fine.
The Big Bang Theory Season 3, Episode 2

- ...and we need a FOURTH.
- No, thanks.
The Big Bang Theory Season 1, Episode 13

The FOURTH time was the charm.
The Big Bang Theory Season 6, Episode 22

Hey, if you guys need a FOURTH, I'll play.
The Big Bang Theory Season 1, Episode 7

Mrs. Wunch in FOURTH grade.
The Big Bang Theory Season 9, Episode 23